Table 6.

Multivariable analysis results for complication-related reoperations, including odds ratio estimates with corresponding 95% confidence intervals

Parameter	p value	Category	p value (pairwise)	OR estimate	95% KI
EHS width classification	< 0.001	W3 (> 10 cm) vs W1 (< 4 cm)	< 0.001	2.219	1.756	2.804
		W3 (> 10 cm) vs W2 (≥ 4–10 cm)	< 0.001	1.438	1.209	1.711
		W2 (≥ 4–10 cm) vs W1 (< 4 cm)	< 0.001	1.543	1.251	1.903
Drainage	< 0.001	Yes vs no		1.851	1.480	2.315
Risk factors	< 0.001	Yes vs no		1.439	1.231	1.683
Procedure	< 0.001	Open—sublay vs laparoscopic—IPOM	< 0.001	1.927	1.475	2.516
		Open—onlay vs laparoscopic—IPOM	< 0.001	1.973	1.367	2.846
		Open—IPOM vs laparoscopic—IPOM	0.002	1.594	1.180	2.155
		Open—suture vs open—sublay	0.037	0.698	0.497	0.979
		Open—suture vs open—onlay	0.073	0.681	0.448	1.036
		Open—IPOM vs open—sublay	0.094	0.827	0.663	1.033
		Open—suture vs laparoscopic—IPOM	0.127	1.344	0.919	1.966
		Open—onlay vs open—IPOM	0.214	1.237	0.884	1.731
		Open—suture vs open—IPOM	0.367	0.843	0.582	1.222
		Open—onlay vs open—Sublay	0.873	1.024	0.768	1.365
EHS classification	0.003	Lateral vs medial	< 0.001	0.675	0.535	0.851
		Lateral vs combined	0.012	0.659	0.476	0.911
		Combined vs medial	0.855	1.024	0.794	1.321
ASA score	0.016	III/IV vs II	0.004	1.273	1.079	1.502
		III/IV vs I	0.171	1.249	0.908	1.719
		II vs I	0.901	0.981	0.730	1.319
BMI [5-points-OR]	0.019			1.079	1.013	1.149
Gender	0.254	Female vs male		0.916	0.788	1.065
Preoperative pain	0.313	Yes vs no	0.189	1.115	0.948	1.312
		Unknown vs no	0.227	1.186	0.899	1.563
		Yes vs unknown	0.648	0.941	0.723	1.224
Age [10-years-OR]	0.836			0.993	0.932	1.059